Op Amps

Op Amps, short for Operational Amplifiers, are semiconductor devices commonly used in analogue electronic circuits. They work by receiving an input signal and amplifying it into a stronger output signal. Op Amps offer a very high voltage gain amplifiers.

How do Op Amps work?
Op Amps provide mathematical operations such as addition, multiplication, differentiation, and integration. They are voltage amplifiers which usually have a differential input and a single-ended output.
There are two inputs into an Operational Amplifier which are called inverting (-) and non-inverting (+) inputs. If you were to increase the voltage to the inverting input, the output voltage decreases. Alternatively, if you increase the voltage to the non-inverting input, the output voltage increases. If an equal voltage is supplied to both inputs, the output will not change.

What is a differential amplifier?
Op Amps are often referred to as differential amplifiers. This is because the output of an Op-Amp is relative to the difference between the input voltages.

Where are Op Amps used?
Operational amplifiers have a wide variety of uses in electronic circuits. Here are some examples of how they are used:

Crystal oscillators and waveform generators
Audio- and video-frequency pre-amplifiers and buffers
Integrators
Comparators
Analogue-to-digital (ADC) and digital-to-analogue (DAC) converters
Voltage Clamps
Analogue Calculators
Filters
Differentiators
Precision rectifiers
Linear voltage regulators
Current regulators
Precision rectifiers
Precision peak to peak detectors

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Description Price Amplifier Type Mounting Type Package Type Power Supply Type Number of Channels per Chip Pin Count Typical Single Supply Voltage Typical Gain Bandwidth Product Output Type Typical Dual Supply Voltage Typical Slew Rate Maximum Operating Frequency Maximum Operating Temperature Minimum Operating Temperature
RS Stock No. 171-5748
Mfr. Part No.BA82904YF-CE2
BrandROHM
HK$3.562
Each (On a Reel of 2500)
units
Dual Operational Surface Mount SOP Single 2 8 - 500kHz Current - 0.2V/µs 1 kHz +125 °C -40 °C
RS Stock No. 184-8757
Mfr. Part No.BU7264F-E2
BrandROHM
HK$6.988
Each (In a Pack of 10)
units
CMOS Surface Mount SOP Single 4 14 1.8 → 5.5 V 2MHz Swing - 1.1V/µs 1 kHz 85 °C -40 °C
RS Stock No. 171-5790
Mfr. Part No.BU7242F-E2
BrandROHM
HK$2.472
Each (On a Reel of 2500)
units
CMOS Surface Mount SOP Single 2 8 - 900kHz Swing - 0.4V/µs 1 kHz +85 °C -40 °C
RS Stock No. 171-5781
Mfr. Part No.BD5291G-GTL
BrandROHM
HK$2.466
Each (On a Reel of 3000)
units
- Surface Mount SSOP Single 1 5 - 3.2MHz Swing - 2.5V/µs 1 kHz +85 °C -40 °C
RS Stock No. 168-2019
Mfr. Part No.BA2904FV-E2
BrandROHM
HK$2.698
Each (In a Pack of 25)
units
- Surface Mount SSOP Single 2 8 36 V 500kHz Current - 0.2V/µs 1 kHz +125 °C -40 °C
RS Stock No. 184-8595
Mfr. Part No.BU7271SG-TR
BrandROHM
HK$2.507
Each (On a Reel of 3000)
units
CMOS Surface Mount SSOP Single 1 5 1.8 → 5.5 V 90kHz Swing - 50V/ms - 105 °C -40 °C
RS Stock No. 171-5749
Mfr. Part No.BA82904YFVM-CTR
BrandROHM
HK$3.562
Each (On a Reel of 3000)
units
Dual Operational Surface Mount MSOP Single 2 8 - 500kHz Current - 0.2V/µs 1 kHz +125 °C -40 °C
RS Stock No. 184-8693
Mfr. Part No.BA4558FVM-GTR
BrandROHM
HK$2.478
Each (In a Pack of 25)
units
Low Noise Surface Mount MSOP Dual 2 8 - - - ±4 to ±15V 1V/µs 1 kHz 85 °C -40 °C
RS Stock No. 171-6335
Mfr. Part No.LMR321G-GTR
BrandROHM
HK$1.659
Each (In a Pack of 25)
units
General Purpose Surface Mount SSOP Single 1 5 - 3MHz Current - 1V/µs 1 kHz +85 °C -40 °C
RS Stock No. 184-8763
Mfr. Part No.LMR1802G-LBTR
BrandROHM
HK$29.985
Each (In a Pack of 2)
units
CMOS, Low Noise Surface Mount SSOP Dual, Single 1 5 2.5 → 5.5 V 3MHz Swing ±1.25 to ±2.75V 1.1V/µs 1 kHz 125 °C -40 °C
RS Stock No. 171-5791
Mfr. Part No.BU7244FV-E2
BrandROHM
HK$2.863
Each (On a Reel of 2500)
units
CMOS Surface Mount SSOP-B Single 4 14 - 900kHz Swing - 0.4V/µs 1 kHz +85 °C -40 °C
RS Stock No. 184-8779
Mfr. Part No.BA4580RFVT-E2
BrandROHM
HK$3.049
Each (In a Pack of 25)
units
Low Noise Surface Mount TSSOP Dual 2 8 - 10MHz - ±2 to ±16V 5V/µs 20 kHz 105 °C -40 °C
RS Stock No. 171-5786
Mfr. Part No.BD7542FVM-TR
BrandROHM
HK$2.819
Each (On a Reel of 3000)
units
CMOS Surface Mount MSOP Dual, Single 2 8 - 600kHz Swing - 0.3V/µs 1 kHz +85 °C -40 °C
RS Stock No. 184-8727
Mfr. Part No.BU7262FVM-TR
BrandROHM
HK$4.193
Each (In a Pack of 25)
units
CMOS Surface Mount MSOP Single 2 8 1.8 → 5.5 V 2MHz Swing - 1.1V/µs 1 kHz 85 °C -40 °C
RS Stock No. 171-5760
Mfr. Part No.BU7486FVM-TR
BrandROHM
HK$2.212
Each (On a Reel of 3000)
units
CMOS Surface Mount MSOP Single 2 8 - 10MHz Swing - 10V/µs 1 kHz +85 °C -40 °C
RS Stock No. 184-8731
Mfr. Part No.BA4558YFV-MGE2
BrandROHM
HK$2.795
Each (In a Pack of 25)
units
Low Noise Surface Mount SSOP Dual 2 8 - - - ±4 to ±15V 1V/µs 1 kHz 105 °C -40 °C
RS Stock No. 178-0466
Mfr. Part No.BA82902YFVJ-CE2
BrandROHM
HK$6.70
Each (In a Pack of 10)
units
- Surface Mount TSSOP-B Single 4 14 36 V 500kHz Current - 0.2V/µs 1000 MHz +125 °C -40 °C
RS Stock No. 184-8760
Mfr. Part No.BA4560FV-GE2
BrandROHM
HK$2.541
Each (In a Pack of 25)
units
Low Noise Surface Mount SSOP Dual 2 8 - 10MHz - ±4 to ±15V 4V/µs 10 kHz 85 °C -40 °C
RS Stock No. 184-8571
Mfr. Part No.BA4580YFVM-MGTR
BrandROHM
HK$1.972
Each (On a Reel of 3000)
units
Low Noise Surface Mount MSOP Dual 2 8 - 10MHz - ±2 to ±16V 5V/µs 20 kHz 105 °C -40 °C
RS Stock No. 184-8559
Mfr. Part No.BA4510FV-E2
BrandROHM
HK$2.35
Each (On a Reel of 2500)
units
Low Noise Surface Mount SSOP Dual 2 8 - - Swing ±1 to ±3.5V 5V/µs 1 kHz 75 °C -20 °C